/* 全局样式重置 */
body {
  margin: 0;
  padding: 0;
}

/* 设置全局盒模型为border-box */
*,
*::before,
*::after {
  box-sizing: border-box;
}

.max-width-1500 {
  max-width: 1500px;
  margin: 0 auto;
}